Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 08-07-2023 and time 07:54:16 (UTC) in region 5 km N Ascoli Piceno (AP)

A magnitude ML 2.4 earthquake occured in region: 5 km N Ascoli Piceno (AP), on

  • 08-07-2023 07:54:16 (UTC)
  • 08-07-2023 09:54:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8960, 13.5730 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ascoli Piceno AP 5 49407 49407
Castignano AP 6 2796 52203
Rotella AP 7 906 53109
Venarotta AP 7 2066 55175
Appignano del Tronto AP 8 1785 56960
Montedinove AP 9 488 57448
Roccafluvione AP 9 2010 59458
Palmiano AP 9 196 59654
Folignano AP 10 9241 68895
Force AP 10 1354 70249
Montalto delle Marche AP 11 2122 72371
Offida AP 11 5058 77429
Castel di Lama AP 12 8634 86063
Maltignano AP 12 2401 88464
Castorano AP 13 2380 90844
Cossignano AP 14 978 91822
Montefalcone Appennino FM 14 424 92246
Montelparo FM 14 778 93024
Sant'Egidio alla Vibrata TE 14 9811 102835
Colli del Tronto AP 15 3668 106503
Comunanza AP 15 3166 109669
Monte Rinaldo FM 15 379 110048
Santa Vittoria in Matenano FM 15 1330 111378
Ancarano TE 15 1857 113235
Ortezzano FM 15 774 114009
Civitella del Tronto TE 16 5116 119125
Smerillo FM 16 365 119490
Spinetoli AP 16 7215 126705
Monteleone di Fermo FM 17 395 127100
Carassai AP 18 1100 128200
Monsampolo del Tronto AP 18 4611 132811
Monte Vidon Combatte FM 18 433 133244
Torano Nuovo TE 19 1611 134855
Montottone FM 19 979 135834
Monte San Martino MC 19 765 136599
Valle Castellana TE 19 977 137576
Monsampietro Morico FM 19 659 138235
Acquasanta Terme AP 19 2916 141151
Ripatransone AP 19 4309 145460
Montefortino FM 20 1178 146638
Amandola FM 20 3629 150267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Teramo (54892 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
63 Km NW of Montesilvano (53738 inhabitants)
71 Km E of Foligno (57155 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
80 Km S of Ancona (100861 inhabitants)
84 Km E of Terni (111501 inhabitants)
99 Km E of Perugia (166134 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 2.4 2023-07-08
07:54:16		 42.8963 13.573 11 2023-07-08
08:03:32		 Sala Sismica INGV-Roma 119070761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 07:54:16 ± 0.07
Latitude 42.8963 ± 0.0027
Longitude 13.5730 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119070761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 700
Semi-minor axis of confidence ellipse (meter) 470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01713
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 34
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 119070761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 08:03:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGAB.HHZ. 2023-07-08T07:54:54.33 3.0 undecidable manual S 2.23 0
IV.ATCC.EHZ. 2023-07-08T07:54:42.09 0.3 undecidable manual S 293 82.1511 90 0.94 51
IV.ASSB.HHZ. 2023-07-08T07:54:40.38 0.3 undecidable manual S 283 75.9684 90 0.88 53
IV.NARO.HHZ. 2023-07-08T07:54:35.74 0.6 negative manual P 315 112.6983 90 0.19 41
IV.CING.HHZ. 2023-07-08T07:54:35.77 0.6 undecidable manual S 330 61.2942 90 0.18 45
IV.ATPI.EHZ. 2023-07-08T07:54:35.61 1.0 negative manual P 303 112.8981 90 0.03 21
IV.LNSS.HHZ. 2023-07-08T07:54:34.37 0.3 undecidable manual S 233 54.2013 90 0.67 60
IV.MPAG.EHZ. 2023-07-08T07:54:34.07 1.0 negative manual P 321 104.5176 90 -0.21 21
IV.ATVO.HHZ. 2023-07-08T07:54:34.22 0.1 undecidable manual P 300 108.7134 90 -0.7 70
IV.PIEI.HHZ. 2023-07-08T07:54:34.52 1.0 positive manual P 311 109.9122 90 -0.6 19
IV.RM33.EHZ. 2023-07-08T07:54:33.82 0.6 undecidable manual S 214 52.0035 90 0.74 39
IV.MURB.HHZ. 2023-07-08T07:54:32.82 0.1 undecidable manual P 296 94.1391 90 0.14 86
IV.GIGS.HHZ. 2023-07-08T07:54:32.81 0.6 undecidable manual S 180 49.1175 90 0.48 43
IV.ARVD.HHZ. 2023-07-08T07:54:31.03 0.3 positive manual P 323 84.0492 90 -0.09 66
IV.T0110.HHZ. 2023-07-08T07:54:30.07 0.6 positive manual P 167 75.8685 90 0.21 44
IV.NRCA.HHZ. 2023-07-08T07:54:30.10 0.6 undecidable manual S 260 37.9287 90 0.76 40
IV.ATCC.EHZ. 2023-07-08T07:54:30.11 0.1 undecidable manual P 293 82.1511 90 -0.73 74
IV.PF6.EHE. 2023-07-08T07:54:30.02 0.6 undecidable manual S 311 40.7259 90 -0.07 48
IV.FDMO.HHZ. 2023-07-08T07:54:30.56 0.6 undecidable manual S 292 42.4242 90 0.04 48
IV.FOSV.EHZ. 2023-07-08T07:54:30.06 0.1 undecidable manual P 304 79.2651 90 -0.33 85
IV.CSP1.EHZ. 2023-07-08T07:54:29.71 0.6 undecidable manual S 306 36.9297 90 0.65 42
IV.SMA1.EHZ. 2023-07-08T07:54:29.23 0.3 undecidable manual S 213 35.2425 90 0.6 63
IV.ASSB.HHZ. 2023-07-08T07:54:29.51 0.1 undecidable manual P 283 75.9684 90 -0.38 85
IV.TERO.HHZ. 2023-07-08T07:54:28.25 0.6 undecidable manual S 175 30.4473 90 0.91 37
IV.GAVE.EHZ. 2023-07-08T07:54:27.44 0.1 positive manual P 248 59.6958 90 0.07 93
IV.GUMA.HHZ. 2023-07-08T07:54:27.10 0.6 undecidable manual S 314 26.6511 90 0.76 41
7F.SIB1.EHZ. 2023-07-08T07:54:26.09 0.6 undecidable manual S 270 24.6531 90 0.31 47
IV.RM33.EHZ. 2023-07-08T07:54:26.07 0.1 undecidable manual P 214 52.0035 90 -0.11 94
7F.SIB3.EHZ. 2023-07-08T07:54:26.00 0.6 undecidable manual S 265 24.753 90 0.18 48
IV.LNSS.HHZ. 2023-07-08T07:54:26.51 0.1 undecidable manual P 233 54.2013 90 -0.03 95
IV.SAP2.EHZ. 2023-07-08T07:54:26.72 0.6 undecidable manual S 328 26.3514 90 0.48 46
IV.CING.HHZ. 2023-07-08T07:54:26.97 0.1 negative manual P 330 61.2942 90 -0.66 79
IV.GIGS.HHZ. 2023-07-08T07:54:25.27 0.6 undecidable manual P 180 49.1175 90 -0.48 44
IV.MTRA.EHZ. 2023-07-08T07:54:25.52 0.6 undecidable manual S 223 21.1677 90 0.67 42
IV.MMO1.EHZ. 2023-07-08T07:54:25.40 0.6 undecidable manual S 271 19.9689 90 0.85 40
7F.SIB2.EHZ. 2023-07-08T07:54:25.27 0.6 undecidable manual S 269 21.867 90 0.22 48
IV.MNTT.EHZ. 2023-07-08T07:54:24.79 0.3 undecidable manual S 6 18.4704 90 0.65 65
IV.FDMO.HHZ. 2023-07-08T07:54:24.21 0.1 negative manual P 292 42.4242 90 -0.5 88
IV.CSP1.EHZ. 2023-07-08T07:54:23.33 0.1 negative manual P 306 36.9297 90 -0.53 87
IV.NRCA.HHZ. 2023-07-08T07:54:23.88 0.1 undecidable manual P 260 37.9287 90 -0.14 95
IV.SMA1.EHZ. 2023-07-08T07:54:23.57 0.1 negative manual P 213 35.2425 90 -0.04 98
IV.TRTR.HHZ. 2023-07-08T07:54:23.24 0.3 negative manual P 109 29.3484 90 0.54 66
IV.PF6.EHE. 2023-07-08T07:54:23.64 0.1 undecidable manual P 311 40.7259 90 -0.81 77
IV.MF5.EHZ. 2023-07-08T07:54:23.40 0.6 undecidable manual S 318 13.6752 92 0.53 46
IV.GUMA.HHZ. 2023-07-08T07:54:22.00 0.6 undecidable manual P 314 26.6511 90 -0.29 47
IV.TERO.HHZ. 2023-07-08T07:54:22.65 0.1 positive manual P 175 30.4473 90 -0.22 96
IV.OFFI.HHZ. 2023-07-08T07:54:22.47 0.3 undecidable manual S 65 10.0788 119 0.51 70
IV.SAP2.EHZ. 2023-07-08T07:54:21.92 0.1 undecidable manual P 328 26.3514 90 -0.31 94
IV.ASCOL.HNZ. 2023-07-08T07:54:21.35 0.6 undecidable manual S 165 5.1948 147 0.35 48
7F.SIB1.EHZ. 2023-07-08T07:54:21.71 0.1 undecidable manual P 270 24.6531 90 -0.26 95
IV.MTRA.EHZ. 2023-07-08T07:54:21.55 0.6 positive manual P 223 21.1677 90 0.12 49
7F.SIB3.EHZ. 2023-07-08T07:54:21.74 0.1 undecidable manual P 265 24.753 90 -0.25 96
IV.MMO1.EHZ. 2023-07-08T07:54:20.80 0.1 undecidable manual P 271 19.9689 90 -0.46 92
IV.MF5.EHZ. 2023-07-08T07:54:20.14 0.1 negative manual P 318 13.6752 92 -0.14 99
7F.SIB2.EHZ. 2023-07-08T07:54:20.97 0.1 undecidable manual P 269 21.867 90 -0.58 88
IV.MNTT.EHZ. 2023-07-08T07:54:20.95 0.1 positive manual P 6 18.4704 90 -0.07 100
IV.OFFI.HHZ. 2023-07-08T07:54:19.62 0.1 positive manual P 65 10.0788 119 -0.14 100
IV.ASCOL.HNZ. 2023-07-08T07:54:18.96 0.1 undecidable manual P 165 5.1948 147 -0.25 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHE. ML:3.0 0.011505 1.5 AML other m 2023-07-08T07:54:22.11
IV.OFFI.HHN. ML:3.1 0.0151 1 AML other m 2023-07-08T07:54:23.63
IV.MF5.EHE. ML:2.4 0.0022400000000000002 0.32 AML other m 2023-07-08T07:54:23.59
IV.MF5.EHN. ML:2.1 0.0012900000000000001 0.44 AML other m 2023-07-08T07:54:23.61
IV.MMO1.EHE. ML:2.0 0.0007124999999999999 0.58 AML other m 2023-07-08T07:54:25.35
IV.MTRA.HNE. ML:2.7 0.003525 1.72 AML other m 2023-07-08T07:54:25.91
IV.MTRA.EHE. ML:2.7 0.003535 1.74 AML other m 2023-07-08T07:54:25.92
IV.MNTT.EHE. ML:3.3 0.01505 0.42 AML other m 2023-07-08T07:54:25.76
IV.MTRA.EHN. ML:2.6 0.0028799999999999997 1.72 AML other m 2023-07-08T07:54:25.98
IV.MTRA.HNN. ML:2.6 0.002915 1.74 AML other m 2023-07-08T07:54:25.98
IV.GUMA.HNN. ML:2.7 0.0026349999999999998 0.66 AML other m 2023-07-08T07:54:27.08
IV.GUMA.HHN. ML:2.7 0.0028650000000000004 1.56 AML other m 2023-07-08T07:54:27.09
IV.MMO1.EHN. ML:1.8 0.0005064999999999999 0.96 AML other m 2023-07-08T07:54:27.23
IV.TERO.HHE. ML:2.3 0.0010295 1.58 AML other m 2023-07-08T07:54:28.18
IV.TERO.HNE. ML:2.2 0.0007059999999999999 0.64 AML other m 2023-07-08T07:54:28.27
IV.TERO.HHN. ML:2.4 0.001145 0.62 AML other m 2023-07-08T07:54:28.28
IV.TERO.HNN. ML:2.4 0.001155 0.6 AML other m 2023-07-08T07:54:28.29
IV.MNTT.EHN. ML:2.9 0.006730000000000001 1.66 AML other m 2023-07-08T07:54:29.04
IV.GUMA.HHE. ML:2.5 0.001655 0.38 AML other m 2023-07-08T07:54:29.09
IV.TRTR.HHN. ML:2.8 0.0034 0.3 AML other m 2023-07-08T07:54:29.31
IV.TRTR.HHE. ML:2.7 0.0026399999999999996 0.26 AML other m 2023-07-08T07:54:29.21
IV.CSP1.EHE. ML:2.6 0.00135 0.32 AML other m 2023-07-08T07:54:29.64
IV.SMA1.EHE. ML:2.6 0.0015049999999999998 0.36 AML other m 2023-07-08T07:54:29.84
IV.CSP1.EHN. ML:2.5 0.001325 1.08 AML other m 2023-07-08T07:54:29.88
IV.SMA1.EHN. ML:2.7 0.00202 0.24 AML other m 2023-07-08T07:54:29.76
IV.GUMA.HNE. ML:2.6 0.002 0.34 AML other m 2023-07-08T07:54:30.21
IV.NRCA.HHN. ML:2.1 0.000541 0.42 AML other m 2023-07-08T07:54:30.65
IV.FDMO.HHN. ML:2.3 0.0007215 0.28 AML other m 2023-07-08T07:54:31.19
IV.NRCA.HHE. ML:2.2 0.0005615 0.52 AML other m 2023-07-08T07:54:31.58
IV.FDMO.HHE. ML:2.0 0.00032900000000000003 0.56 AML other m 2023-07-08T07:54:31.25
IV.CAMP.HHE. ML:2.2 0.00046699999999999997 1.46 AML other m 2023-07-08T07:54:32.12
IV.CAMP.HHN. ML:2.2 0.0005765 0.82 AML other m 2023-07-08T07:54:33.28
IV.GIGS.HHE. ML:2.0 0.0002595 0.22 AML other m 2023-07-08T07:54:33.92
IV.GIGS.HHN. ML:1.8 0.0001855 1.52 AML other m 2023-07-08T07:54:34.96
IV.RM33.EHE. ML:2.4 0.000634 0.6 AML other m 2023-07-08T07:54:35.15
IV.LNSS.HHN. ML:2.2 0.000329 0.92 AML other m 2023-07-08T07:54:35.94
IV.RM33.EHN. ML:2.3 0.000444 0.8 AML other m 2023-07-08T07:54:35.43
IV.CING.HHE. ML:1.9 0.000165 1.4 AML other m 2023-07-08T07:54:36.18
IV.CING.HHN. ML:1.8 0.00014250000000000002 0.44 AML other m 2023-07-08T07:54:36.30
IV.LNSS.HHE. ML:2.1 0.000304 0.26 AML other m 2023-07-08T07:54:37.47
IV.GAVE.EHN. ML:2.1 0.000284 0.56 AML other m 2023-07-08T07:54:37.82
IV.GAVE.EHE. ML:2.2 0.000293 0.22 AML other m 2023-07-08T07:54:38.38
IV.ASSB.HHN. ML:2.2 0.0002105 0.6 AML other m 2023-07-08T07:54:40.93
IV.FOSV.EHN. ML:2.6 0.000593 1.62 AML other m 2023-07-08T07:54:41.05
IV.FOSV.EHE. ML:2.4 0.00036199999999999996 1.68 AML other m 2023-07-08T07:54:41.86
IV.FOSV.HNN. ML:2.6 0.0005740000000000001 1.64 AML other m 2023-07-08T07:54:41.86
IV.FOSV.HNE. ML:2.4 0.00034250000000000003 1.68 AML other m 2023-07-08T07:54:41.86
IV.ASSB.HHE. ML:2.4 0.0003445 0.28 AML other m 2023-07-08T07:54:41.87
IV.T0110.HHE. ML:2.5 0.00046800000000000005 1.64 AML other m 2023-07-08T07:54:42.02
IV.ATCC.EHN. ML:2.3 0.00026949999999999994 1.54 AML other m 2023-07-08T07:54:42.93
IV.ATCC.EHE. ML:2.4 0.00036899999999999997 0.72 AML other m 2023-07-08T07:54:43.19
IV.T0110.HHN. ML:2.5 0.00047999999999999996 0.32 AML other m 2023-07-08T07:54:44.04
IV.MURB.HNE. ML:2.9 0.0008475000000000001 0.3 AML other m 2023-07-08T07:54:47.26
IV.MURB.HHE. ML:2.9 0.0008705000000000001 0.3 AML other m 2023-07-08T07:54:47.26
IV.MURB.HHN. ML:2.7 0.000597 0.36 AML other m 2023-07-08T07:54:47.13
IV.MURB.HNN. ML:2.6 0.00046600000000000005 0.3 AML other m 2023-07-08T07:54:47.47
IV.ARVD.HHN. ML:1.6 0.00004985 0.76 AML other m 2023-07-08T07:54:47.95
IV.ARVD.HHE. ML:1.7 0.00006445000000000001 0.96 AML other m 2023-07-08T07:54:49.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
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